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System and method for combining the outputs of multiple, disparate types of power sources

Active Publication Date: 2011-01-13
ABB POWER ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0004]Complicating matters, disparate types of power sources have different priorities of use. For example, renewable power sources, such as solar and wind power, should be preferred and therefore have a higher priority than fossil-fuel-powered backup generato

Problems solved by technology

As a consequence, the equipment threatens the sustainability of the network and its quality of service.
The risk is particularly acute when the equipment is exposed to weather and lightning, which is almost always the case.

Method used

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  • System and method for combining the outputs of multiple, disparate types of power sources
  • System and method for combining the outputs of multiple, disparate types of power sources
  • System and method for combining the outputs of multiple, disparate types of power sources

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Embodiment Construction

[0014]To date, suppliers of alternative energy equipment have used distributed generation (DG), colloquially known as “grid-tying,” to incorporate alternative power sources. DG involves coupling alternative power sources to the commercial alternating current (AC) power grid such that the sources can synchronize with, and supply power to, the grid. The grid then supplies any and all loads, including the telecommunication equipment. Unfortunately, grid-tying incurs both AC conversion inefficiencies and the risk of propagating transient high voltage (“spikes”) resulting from lightning. For these reasons, service providers have resisted grid-tying.

[0015]Described herein are various embodiments of a system and method that employ standard power conversion modules to form a redundant, fault-tolerant system that can aggregate power from various, disparate, often both alternative and conventional, power sources while maintaining sufficient isolation to resist faults emanating from a particul...

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PUM

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Abstract

A system for, and method of, combining the outputs of multiple, disparate types of power sources and an isolated converter module employed in the same. In one embodiment, the system includes: (1) a plurality of isolated converter modules having power inputs couplable to corresponding disparate types of power sources and a DC-output converter configured to convert power received from at least one of the power sources to DC power and (2) a DC bus coupled to power outputs of the plurality of isolated converter modules and configured to receive and aggregate the DC power. With such system, a universal converter module can be employed to identify and convert power from a variety of conventional and renewable power sources.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims the benefit of U.S. Provisional Application Ser. No. 61 / 225,037, filed by Fontana, et al., on Jul. 13, 2009, entitled “Lineage Priority Source Power Center,” commonly assigned with this application and incorporated herein by reference. This application is also related to U.S. patent application Ser. No. 12 / 372,659, filed by Jagota, et al., on Feb. 17, 2009, entitled “DC Plant Controller and Method for Selecting Among Multiple Power Sources and DC Plant Employing the Same,” commonly assigned with this application and incorporated herein by reference.TECHNICAL FIELD[0002]This application is directed, in general, to power conversion and, more specifically, to a system and method for combining the outputs of multiple, disparate types of power sources.BACKGROUND[0003]Telecommunication service providers are adding alternative (e.g., “green”) power sources as options for powering evermore of their telecommunication sites, ...

Claims

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Application Information

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IPC IPC(8): H02J4/00H05K5/00
CPCH02J1/10H02J1/001
Inventor FONTANA, EDWARD C.SMITH, PAUL
Owner ABB POWER ELECTRONICS INC
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